gas coal meaning in Chinese

(适于提炼煤气的)气煤。

Mining high gas coal seam with enclosed mining method
封闭式采煤法开采高瓦斯煤层
Comprehensive control of gas at high gas coal face
高瓦斯采煤工作面的瓦斯综合治理
Mining area tunnel arrangement in high gas coal seams
高瓦斯煤层采区巷道布置
The liquid gas coal gas smog detector
液化气煤气烟雾报警探测kl - 8818a
Analysis on the gas coal dust explosion accidence in mennanzhuang coal mine
孟南庄煤矿瓦斯煤尘爆炸事故原因浅析

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